LINGO程序中，定义5个元素的基本集合s，下列写法不可行的是 A: sets：a/1..5/:; endsets B: sets：a/1,2,3,4,5/:; endsets C: sets：a/1..n/:; endsetsdata:n=5; enddata D: sets：a; endsetsdata:a=1..5; enddata

买方开来的信用证中规定:“Description<br/>of Goods: Computer , about 300sets .受益人交货时的最大数量为(<br/>)。 A: 300 sets B: 330<br/>sets C: 315<br/>sets D: 285<br/>sets

The factory has turned out ______. A: twice TV sets this year more than last year B: TV sets this year twice as many as last year C: twice as many TV sets this year as last year D: TV sets twice more this year that last year

The correct statement of the transition attribute is（ ） A: transition-duration sets when the transition effect starts B: transition-duration sets how many seconds or milliseconds the transition effect takes C: transition-delay sets when the transition effect starts D: transition-delay sets how many seconds or milliseconds the transition effect takes

The factory has turned out ___. A: TV sets twice more this year than last year B: twice more TV sets this year than last year C: twice as many TV sets this year as last year D: TV sets this year twice as many as last year

Lingo程序中，定义4个元素的基本集合s，下列写法错误的是（） A: sets: a/1. . 4/: ; endsets B: sets: a/1. .n/: ; endsets data : n=4; enddata C: sets: a/1, 2, 3, 4/: ; endsets D: sets: a; endsets data : a=1. .4; enddata

Television sets vary widely _____ price.

The first chapter sets out to explain

The paradox is that every day we get two sets of messages at odds with eachother. A: The contradiction is that every day we get two sets of messages disagreeing with each other. B: The contradiction is that every day we get two sets of strange and unusual messages. C: The condition is that every day we get two sets of messages echo each other.

Today _______ have TV sets in big cities.